A certain resistor is made with a 52.2 m length of fine copper wire, 4.70 ×...
A certain resistor is made with a 48.6 m length of fine copper wire, 4.64 × 10 ^-2 mm in diameter, wound onto a cylindrical form and having a fiber insulator separating the coils. Calculate the resistance. (The resistivity of copper is 1.72 × 10^-8 ohms per meter. )
A certain resistor is made with a 53.2 m length of fine copper wire, 5.26 x 102 mm in diameter, wound onto a cylindrical form and having a fiber insulator separating the coils. Calculate the resistance. (The resistivity of copper is 1.72 x 10-8 Ω-
Suppose you have a 24 m long piece of copper wire with a 2.1 mm diameter and a resistivity of 1.72 × 10-8 Ω⋅m. What is the resistance of the copper wire, in ohms?
3.14 160 7. What is the resistance of a copper wire of length/= 10.9 m and diameter d= 1.30 mm? The resistivity of copper is 1.72 10-8Qm. o One brand of 12.0.Vautomotive battery used to be advertised as providing "600 cold-cranking amps."
A certain laboratory experiment requires an aluminum wire of length of 34.0 m and a resistance of 2.60 Ω at 20.0°C. What diameter wire must be used? (The resistivity of aluminum at 20.0°C is 2.82 ✕ 10−8 Ω · m.) ______ mm
What is the resistance of a 2.9-m length of copper wire 1.8 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
What is the resistance of a 5.9-m length of copper wire 1.2 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
What is the resistance of a 4.9-m length of copper wire 1.9 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
What is the resistance of a 5.9-m length of copper wire 1.1 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
A 57.0 m length of insulated copper wire is wound to form a solenoid of radius 2.1 cm. The copper wire has a radius of 0.51 mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) If the solenoid is attached to a battery with an emf of 6.0 V and internal resistance of 350 mΩ, compute the time constant of the circuit. ____________ms (b) How long would it take to reach 99.9% of...